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Finding the Fourth Proportional to 62,620.54, 86,440.71 and 37,478.14

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Solution

The fourth proportional to 62,620.54, 86,440.71 and 37,478.14 is: 51,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.54 : 86,440.71 = 37,478.14 : x
  2. Step 2: Convert to fraction form
    62,620.54/86,440.71 = 37,478.14/x
  3. Step 3: Cross multiply
    62,620.54x = 86,440.71 × 37,478.14
  4. Step 4: Simplify right side
    62,620.54x = 3,239,637,031.08
  5. Step 5: Solve for x
    x = 3,239,637,031.08/62,620.54
  6. Step 6: Final answer
    x = 51,734.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.